SENTEL Corporation is an engineering services company that develops, tests, implements and supports innovative technologies to improve defense, enable communication and protect lives. Its managers work side-by-side with their teams to solve highly complex engineering problems and support mission-critical operations for government and commercial clients. Its services include chemical and biological defense, sensor networks, test and evaluation engineering, electromagnetics and spectrum engineering, mission critical software development and remote data relay products. SENTEL is a leader in the development, evaluation and testing of weapons systems, chemical and biological detection systems for homeland security, spectrum management and other defense systems. Founded in 1987, the company s headquarters is in Alexandria, Va. It employs 300-plus people in more than a dozen offices throughout the United States. SENTEL is a division of Dimensions International.